#include <iostream>
#include <conio.h>
using namespace std;

namespace first_space
{
	void func()
	{
		cout << "Inside first_space" << endl;
	}
}
namespace second_space
{
	void func()
	{
		cout << "Inside second_space" << endl;
	}
}
using namespace first_space;
int main()
{
	func();
	_getch();
	return 0;
}